Tuesday
July 22, 2014

Posts by SARA


Total # Posts: 3,593

Language
b) Sketch d) crutch f) stretch That all i could get

Chemistry
I don't understand one of my homework questions i'm really stuck. please help! How will the equilibrium: Heat + CH4(g) + 2H3S(g)= CS2 (g) + 4H2 (g) be affected by the following: a) A decrease in temperature. b) The addition of H2. c) The removal of some CH4 (g) d) An i...

Chemistry
I don't understand one of my homework questions i'm really stuck. please help! How will the equilibrium: Heat + CH4(g) + 2H3S(g)= CS2 (g) + 4H2 (g) be affected by the following: a) A decrease in temperature. b) The addition of H2. c) The removal of some CH4 (g) d) An i...

algebra!
how do you solve this by substitution: step by step 1. 5x-y=16 5x+2y=13 2. 3x-3y=9 2x-4y=-16 3. x=-6y y=2/3x+5 thank you!

Math
how do you solve this by substitution: step by step 1. 5x-y=16 5x+2y=13 2. 3x-3y=9 2x-4y=-16 3. x=-6y y=2/3x+5 thank you!

physics
72

geometry!
can anyone please explain to me how to solve these problem step by step: 1. 3x+y= -6 2. 2x-5y=12 thank you!

Math
PS sin is raised to the power of 3, so it's sin^3 x.

Math
If f (x) = sin3 x, find f'(x). Find f'(−2pi/3) Thanks.

Math
1. Evaluate the indefinite integral integral symbol[6x5+2sec(x) tan(x)]dx. 2. Integral symbol 8 at the top, 5 at the bottom 3x2+3x2 dx = Thanks

US history
what do you think are the top major events between 1850-1877? thanks

math riddles
Trying to find a porking place

math riddles for 7th grade
Trying to find a porking place

science
sugar is one of the main sources of what for cells

science
sugar is one of the main sources of what for cells

english
I am having a hard time coming up with a theme for the book "Once upon a town" can someone help me?

calculus
When you have a function that changes direction several times, how do you determine the interval over which the function is decreasing?

math
sorry typed that rong its supposed to be 2 cubed

math
the derections are: Add parenteses so that each equation is correct. 2squared+6-5*4=12

u.s history
my question kind of has 2 parts. first off i am trying to put in order what i think are the 10 most important things that happened between 1800-1850's does any one have any idea what they might be? also. What presidents where president between the 1800-1850 and what order ...

trig
log(x-15)-2=-logx

trig
Okay, thanks :)

trig
But the question above is loga+logb=loga*b

trig
log4+log(x-7)=2

math
0.013 x 10^3

chemistry
Determine how much heat is evolved or absorbed when 40.0 g of lithium iodide completely dissolves in water.

math
A movie theater seats 500 people. For any particular show, the amount of money the theater makes is a function m(n) of the number of people, n, in attendance. If a ticket costs 2 dollars, find the domain and range of this function. domain: ?≤ n ≤? range: ?≤ m...

Geometry
Find the perimeter of a triangle where the area equals 27 and the height is 3 times the length?

u.s history
thanks!

u.s history
I have a test tomorrow in US history that I am studying for. My teacher told us that on the test we will have to put 10 of the most important and relavent things that happened from prehistory to 1824. I have a hard time learning history. I know the first and last thing she wan...

psychology
Not asking to do my work for me, this is the question. I am cunfused to what therory makes personality? Did ask for attitude asked for help!

psychology
1.Once you have read about the major perspectives in psychology, identify any questions you have about these seven major theories (psychodynamic, behavioral, humanistic, cognitive, Biopsychological, Evolutionary, Sociocultural). You must come up with at least one question rela...

explain the difference between muslims and arabs
Muslim is a religion, wheras arab is like a nationality.

Precalc
ohhhh wooow why didnt i think of it that way haha thanks!

Precalc
why wouldnt it be cos(theta-20)/2?

Precalc
Then how would i bring the r out?

Precalc
How would you simplify this polar equation to r=? 2=rcos(theta-20) Would i divide the 2 by both sides?

Precalc
Identify the graph of the equation. What is the angle of rotation for the equation? y^2+8x=0 is parabola 90 degrees correct? also Identify the graph of the equation. What is the angle of rotation for the equation? xy = -5 =hyperbola 45 degrees

Precalc
Write the equation of the hyperbola whose center is at the origin and has a vertical transverse axis. The equations of the asymptotes are 6x + 2y = 0 and 6x - 2y = 0. Is this correct? (y^2/9)-(x^2/4)=1

Precalc
okay thanks!

Precalc
Write the equation in standard form of the ellipse with foci (8, 0) and (-8, 0) if the minor axis has y-intercepts of 2 and -2. is the answer: x/64+y/4=1

Math
.4 is not the right answer.

chemistry
N204 (l) Delta Hf (kJ/mol) = -20 E cell S (J/mol.K) = 209 N204(g) Delta Hf (kJ/mol) = 10 E cell S (j/mol.k) = 304.1 Given the following data, determine the temperature at which n2o4 (l) and n204 (g) can exist in equilibrium? a. 42 C b. 3 C c. -231 C d. 30 C e. -178 C

math
what is the largest negative coterminal angle of -417?

english
thank you

english
can anybody help me know negative reasons i have allot of positive

english
its not really giving any negative reasons

english
reasons why fables can be a negative thing on children?

Reading
it means I'd rather die than be disgraced or "to die without revealing secrets or betraying trusts"

Accounting
Complete an Income Statement, Statement of Owner's Equity, and Balance Sheet using the information provided below for Rya’s Planning Services. Cash… …… ……… … … … ………$21,500 Accounts Receivable…… ...

Statistics
Solve the following problems by using the binomial formula. a. If n = 4 and p = .10 , find P(x = 3) . b. If n = 7 and p = .80 , find P(x = 4) . c. If n = 10 and p = .60 , find P(x ¡Ý 7) . d. If n = 12 and p = .45 , find P(5 ¡Ü x ¡Ü 7) .

insurance
by signing an "assignment of benefits" statement , a patient is?

chemistry
how ccan i make nh4oh from nh3?

Algebra II
Simplify x^6/2xy^-5

health care
by creating a committe on social welfare, the American Association of Labor Legislation helped to?

Algebra
If the formula R= -0.0371 + 50.1 can be used to predict the world record in the 400 meter dash t years after 1925, for what years will the world record be 48.1 secons or less?

chem, acids
possible products of acetylsalicylic acid when it hydrolyzes are salicylic acids and acetic acids or is it carboxylic acids and alcohol?

chem
Nevermind, i got it

chem
This is for my vinegar titration lab: why are samples of vinegar weighed rather than measured ?

Chem
I'm doing a vinegar titration lab and i need to know how can my acetic acid in vinegar be affected if a few droops of NaOH solution is not washed down with distilled water

chemistry
THANKS!!!!

chemistry
If 7.00g of CH2 is burned in excess Oxygen, what number of moles is formed with H2O

college algebra
2/5(5x-3) - 1/3(12x-5) 10x/5-3/1(5/5) -12x/3 +5/1(3/3) 2x-3 -4x +5 2x-4x - 3+5 -2x + 2

Math
1) (3xy^2)/(2y) + (4xz)/(3x) 2) (2(x-1))/(4(x+2)) *(3(x^2-4))/(5x-5)

Math
I was wondering if I solved these problems right? Simplify the following: 3xy^2 4xz ______ + ______ = 7xyz 2y 3x _____ 5 2(x-1) 3(x^2-4) ______ * ________ = 6(x-2) 4(x+2) 5x-5 ______ 20 x^2-x-6 3(x^2-4) ________ / __________ = (x-3) (x+5) 7x+7 x^2+6x+5 ______________ 21(x-2)

BIO
It is easy to lament the bad luck that distributed Norway rats and the AIDS virus around the world and the capricious stupidity that brought starlings. However, are we hypocrites for condemning these species and planting a cosmopolitan array of vegetables in our gardens? Why d...

chemistry
pure hydrogen gas is burns gently, combining with the oxygen gas of the air to form water vapor

TEACHER AIDES
which of the following best describes achid who has been abused a]child eager to answer your questions. b]child more mature than other children. c]chid typically forms strong friendships. d]the child may be quiet and tentative. I think its D.

teacher aides
its B.THANKS

teacher aides
which of the following is the best statement about children who are abused a]they most often come from impoverised families. b]they cannot usually be identified by thier appearance. c]they will misbehave more often in the class . d]they are usually between the ages of 2 and 8....

teacher aides
17. Which of the following statements is true in families where domestic violence occurs? A. The children are less likely to be victims of abuse. B. The children may use aggressive behavior when dealing with conflict. C. Girls are affected by the violence more than boys. D. Sc...

teacher aides
3. Which of the following situations is a cultural influence on behavior? A. Mia is expected to baby-sit for her cousin as a family duty. B. Joseph can't get his driver's license until he is 18 years old. C. Maria has an earlier curfew than her older sister. D. Michell...

TEACHER AIDES
8. Which of the following statements is true of joint physical custody? A. Joint physical custody isn't legal in most states. B. Joint physical custody is usually difficult for young children. C. Joint physical custody is usually preferred by the court. D. Joint physical c...

TEACHER AIDES
16. Which of the following sets of factors is most influential in contributing to violence? A. Child abuse and poor nutrition B. Persistent poverty and poor nutrition C. Media violence and poor-quality schools D. Persistent poverty and widespread substance abuse . I think its D.

TEACHER AIDES
THANKYOU.

TEACHER AIDES
13. The stress factor which is likely to cause the most severe behavioral consequences for children is A. living in a stepfamily. B. having a working mother. C. living in persistent poverty. My answer is C.

teacher aides
15. Studies have demonstrated that "latchkey children" A. have no difficulty in caring for themselves. B. are at risk for behaviors related to peer pressure. C. are usually over the age of 14. D. are primarily children who live in the inner city. Is A a correct answer.

teacher aides
8. Which of the following statements is true of joint physical custody? A. Joint physical custody isn't legal in most states. B. Joint physical custody is usually difficult for young children. C. Joint physical custody is usually preferred by the court. D. Joint physical c...

teacher aides
3. Which of the following situations is a cultural influence on behavior? A. Mia is expected to baby-sit for her cousin as a family duty. B. Joseph can't get his driver's license until he is 18 years old. C. Maria has an earlier curfew than her older sister. D. Michell...

teacher aides
until recently, custody decisions were based almost solely on the a]gender of the parent. b]type of employment of the parent. c]age of the child. d]income level of the parent. I think its A.

English
Yes that's true but not an option..

English
What literary device is this, "I owe you a lot of $!"?

English
What literary device is this, "The rotten fruit squashed between my fingers when I squeezed it to hard"?

math
John said that he had been working for the highway department for about 9.75 years. Which of the following could be the actual amount of time, in years, that John had been working for the highway department. f) 9.25 g) 9.35 h) 9.65 i) 9.95

misc.
if something says your pursuing a college degree does that mean your in college are are planning in the future to go to college?

TEACHER AIDE
help me, is C is right answer.

TEACHER AIDE
when determining educational settings,learning challenged students are most often placed in a.resource rooms. b.the nurse's office. c.self contained classrooms. d.psychiatric clinics.

teacher aide
it is B.

teacher aide
A diagnosis of mental retardation means that a child a.can't read or write at a funtional level. b.needs serious learning support in mental ability and behaviour. c.has a mental age equal to his or her chronological age. d.can never funtion in normal society.

teacher aide
THANKYOU.

teacher aide
its A

teacher aide
I think its D.

teacher aide
when working with behaviour disordered children in the classroom,the teacher aide can modify behaviour by a.praising them when they succeed. b.using the same techniques for every student. c.underestimating what the child can do. d.reinforcing the problem behaviour.

teacher aide
its C.

teacher aide
In a regular school, the mainstreaming/inclusion technique is a]used only with visually impaired students. b]often impossible with behaviour disordered students c]frequently a positive experience for regular students. d]impractical for learning challenged children.

Chemistry
what are the concentrations of hydrogen ions and hydroxide ions in a solution that has a oh of 5? *please include work done so I can understand*

teacher aids
In regular school,the mainstreaming/inclusion technique is?

chem
An ethylene glycol solution contains 23.9 g of ethylene glycol (C2H6O2) in 86.9 mL of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.)

chemistry
Calculate the equilibrium constant for 2CH3OH(l)+3O2(g)->2CO2(g)+4H2O(l)

Math
Is x^2 +4x + 4 + y^2 - 2y + 1 = 25 the equation of a circle? Explain why or why not.

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